Species · Pennsylvania · BBS 2025 Release · 1966–2024
American Robin Population Trend in Pennsylvania
American Robin in Pennsylvania has held roughly steady: down 7% on the route-weighted index since 1968.
-7%Since 1968
138Routes In State
58Years
Notable American Robin Trends in Pennsylvania
No notable trend signals for American Robin in Pennsylvania. See the full index history below.
American Robin Population Forecast in Pennsylvania
If the recent trend holds, American Robin in Pennsylvania is projected to stay roughly flat through 2029, near 69 (95% range 60–78). A 5-year backtest shows a typical error of ±6%, with 100% of held-out values landing inside the 95% band.
+4%Change by 2029
69Projected 2029 index
60–7895% range
±6%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 69 | 60 | 78 |
| 2026 | 69 | 60 | 78 |
| 2027 | 69 | 60 | 78 |
| 2028 | 69 | 60 | 78 |
| 2029 | 69 | 60 | 78 |
American Robin Survey Routes in Pennsylvania
| Leola | 197 | 2024 | 1998 |
| Brunnerville | 188 | 2009 | 1969 |
| West Grove | 174 | 1996 | 1966 |
| Collegeville | 171 | 2024 | 1971 |
| Portersville | 154 | 1988 | 1973 |
| Akron | 154 | 1997 | 1989 |
| Aspers | 153 | 1989 | 1968 |
| Sardis | 144 | 1974 | 1967 |
| Pottstown | 137 | 1987 | 1966 |
| Ryde | 130 | 2005 | 1968 |
| Middletown | 130 | 2024 | 1973 |
| Duvall | 127 | 2021 | 1974 |
| Doylesburg | 127 | 2023 | 2009 |
| Pine Gr Mill | 125 | 2024 | 1967 |
| Martinsburg | 124 | 2024 | 1970 |
| Mount Joy | 122 | 2024 | 1978 |
| Millville | 120 | 2024 | 1969 |
| Ralston | 116 | 1978 | 1966 |
| Normalville | 110 | 1974 | 1966 |
| Schaefferstown 2 | 107 | 2024 | 2002 |
| Schwenksvill | 106 | 2024 | 1988 |
| Beaver | 105 | 2024 | 1969 |
| Roulette | 104 | 2021 | 1970 |
| Bald Eagle | 101 | 2024 | 1969 |
| Sugar Grove | 98 | 2024 | 1980 |
American Robin Population Trend in Other States
alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonrhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.